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Biochemistry of the Cosmos

Biochemistry

Basic biochemical concepts applied to the study of planetary science and space exploration.

space science chemistry

10 Questions Easy Ages 5+ Aug 31, 2026

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About this Study Set

This study set covers Biochemistry through 10 practice questions. Basic biochemical concepts applied to the study of planetary science and space exploration. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 10 questions from the Biochemistry of the Cosmos study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What is the most abundant chemical element found in the universe?

A Oxygen
B Carbon
C Hydrogen
D Nitrogen

2 Which molecule, essential for life on Earth, has been detected in the icy plumes of Saturn's moon Enceladus?

A Water
B Methane
C Ammonia
D Sulfuric acid

3 What element, the backbone of all known biochemistry, is formed in the cores of stars?

A Silicon
B Carbon
C Iron
D Helium

4 Which gas, often produced by biological processes on Earth, is found in large quantities in the atmosphere of Titan?

A Argon
B Methane
C Helium
D Neon

5 What is the primary substance that astrobiologists look for on other planets as a solvent for biochemical reactions?

A Liquid water
B Liquid nitrogen
C Liquid mercury
D Liquid methane

6 Which chemical compound is the main component of the ice caps found on Mars?

A Solid ammonia
B Solid oxygen
C Solid carbon dioxide
D Solid methane

7 What is the main chemical element found in the atmosphere of the gas giant Jupiter?

A Nitrogen
B Hydrogen
C Oxygen
D Carbon

8 Which light-absorbing molecule is used by plants on Earth to convert sunlight into energy?

A Hemoglobin
B Chlorophyll
C Melanin
D Keratin

9 What element is commonly found in the metallic cores of terrestrial planets like Earth and Mars?

A Iron
B Calcium
C Gold
D Silicon

10 Which simple sugar is often studied in the context of prebiotic chemistry found in meteorites?

A Fructose
B Ribose
C Lactose
D Sucrose

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